Effectiveness and efficiency of potassium fertilizer application to increase the production and quality of rice in entisols

Hartati, Sri; Suryono, Suryono; Purnomo, Djoko

doi:10.1088/1755-1315/142/1/012031

Cited by 11 publications

(10 citation statements)

References 1 publication

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“…Generally, the sign of the effect of K starvation on root system traits was independent of the type of K fertilizer used. It has been reported that different types of K fertilizers gave similar results, unlike the dosage, in a study with the rice variety IR 64 grown on Entisols [55]. However, unlike other types of K fertilizers in the disaggregated data, there was no significant difference between the effect size for root biomass of K-replete and K-starved plants when MoP was used.…”

Section: Specific Root Traits and Moderatorsmentioning

confidence: 80%

A Meta-Analysis of Modifications of Root System Traits of Crop Plants to Potassium (K) Deprivation

Yawson¹,

Amoah²,

Asare³

et al. 2021

Plant Roots

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Unlike nitrogen (N) and phosphorus (P), morphological responses of root systems of crop plants to potassium (K) dynamics in soils or growth media are only gaining currency. This is due to the realization of the instrumental role of K in several cellular and tissue level processes crucial for the growth, stress tolerance, metabolic functions, and yield of crop plants, and ultimately, food security and sustainable agriculture. This chapter used meta-analysis to synthesize the pooled evidence for modifications in several root system traits of different crop plants under conditions of K starvation in different growth media. In all, 37 studies that passed inclusion/exclusion criteria, from 1969 to 2019, were analyzed in aggregate and then disaggregated for root biomass, root length, and the number of roots. Three moderators were analyzed: type of soil or growth medium, crop, and K fertilizer applied in the included studies. The aggregated results show that the cumulative effect of K deprivation was a significant and large reduction (about 25.5 ± 15.0%) in the bulk of root system traits considered, which was slightly lower than the reduction in shoot- or yield-related traits. Reductions of approximately 38 ± 38.0% in root biomass and 23.2 ± 18.6% in root length were observed, and the magnitudes of reduction were comparable to those observed from the disaggregated data. Though reductions in root system traits due to K starvation occurred under both greenhouse/lab and field conditions, the cumulative reduction in the former was significantly larger than that of the latter. Among the moderators, the effect of type of soil (or growth media) and crop on the scale of modification of root system traits to K deprivation are stronger compared to the effect of type of K fertilizer applied. It is concluded that, overall, K deprivation leads to significant reductions in root system traits, especially root biomass and length in soils and perlite regardless of the type of K fertilizer applied. Attention should be given to K management in cropping systems to avoid K starvation, especially at the early and vegetative stages, and to improve K reserves in soils. Further attention should be given to the responses of root system traits to K supply when matching crops to soils.

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Section: Specific Root Traits and Moderatorsmentioning

confidence: 80%

A Meta-Analysis of Modifications of Root System Traits of Crop Plants to Potassium (K) Deprivation

Yawson¹,

Amoah²,

Asare³

et al. 2021

Plant Roots

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“…At physiological maturity stage, the highest number of tillers hill -1 (8.52) was achieved from 90 kg K ha -1 followed by 60 kg K ha -1 , and the lowest number of tillers hill -1 (5.95) was found from 0 kg K ha -1 . Number of tillers hill -1 was significantly influenced and increased with the application of potassium fertilization (Hartati et al, 2018). In addition, Islam et al (2015) revealed that there is always a scope to increase tiller production with potassium fertilization beyond 80 kg ha -1 .…”

Section: Number Of Tillers Hill -1mentioning

confidence: 98%

“…Plant height increased with the application of potassium fertilization was the findings of Islam et al (2015). On the other hand, Hartati et al (2018) opined that continuous supply of increased level of potassium fertilizer increased the availability of high-K so that the plant height increased.…”

Section: Plant Heightmentioning

confidence: 99%

Response of nitrogen and potassium fertilization on the growth performance of aromatic Boro rice

Paul

et al. 2021

Arch. Agric. Environ. Sci.

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An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh, during December 2017 to May 2018 to study growth performance of aromatic Boro rice (cv. BRRI dhan50) in response to nitrogen and potassium fertilization. The experiment consisted of four levels of nitrogen viz., 0, 50, 100 and 150 kg ha-1, and four levels of potassium viz., 0, 30, 60 and 90 kg ha-1. The experiment was laid out in a randomized complete block design with three replications. The results revealed that nitrogen and potassium fertilization and their interaction exerted significant influence on growth performance of BRRI dhan50. Application of 100 kg N ha-1 produced the tallest plant (82.17 cm), the highest number of tillers hill-1 (10.08) and chlorophyll content (52.21) at heading stage. While, application of 90 kg K ha-1 produced the tallest plant (81.44 cm) at physiological maturity stage, the highest number of tillers hill-1 (9.66) and chlorophyll content (51.54) at heading stage. In case of interaction, the tallest plant (85.33 cm), the highest number of tillers hill-1 (10.83) and chlorophyll content (58.28) were obtained from 100 kg N ha-1 along with 90 kg K ha-1 at heading stage. Therefore, application of 100 kg N ha-1 along with 90 kg K ha-1 interaction appeared as the promising practice in aromatic rice (cv. BRRI dhan50) cultivation in terms of growth performance.

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“…Hal tersebut dikarenakan adanya peningkatan unsur kalium di dalam tanaman. Unsur hara kalium berperan dalam translokasi fotosintat dari daun menuju ke tempat penyimpanan (biji) sehingga fotosintat dapat terdistribusi dan tidak menumpuk di situs fotosintesis (Hartati et al, 2018). Menurut hasil penelitian Arief dan Asnawi (2012) pemberian pupuk kalium menghasilkan persentase gabah bernas yang lebih tinggi dibandingkan dengan tanaman padi varietas IR64 tanpa pemupukan kalium yakni sebesar 98,56 % dan 97,69%.…”

Section: Hasil Dan Pembahasanunclassified

“…Pada pengamatan persentase beras kepala hasil giling 1 kali gabah yang belum terkupas disisihkan sehingga yang diperoleh persentase beras kepala yang tinggi. Menurut hasil penelitian yang telah dilakukan oleh Hartati et. al., (2018) pemupukan kalium dengan dosis yang berbeda dapat meningkatkan pertumbuhan dan hasil pada tanaman padi varietas IR64 jika dibandingkan dengan perlakuan tanpa pemupukan.…”

Section: Persentase Gabah Bernas Permalaiunclassified

Effect of Potassium Fertilization on Growth and Head Rice Yield of Rice (Oryza sativa L.) Merah Wangi Variety

Fanata¹,

Usmadi²,

Ramadhan³

2020

J. I. Dasar

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The fertilization management is one strategy to optimize the quantity and quality of rice production. Our study was aimedto investigate the effect of potassium fertilization several agronomical parameters andthe rate of head rice after milling process. The study was conducted from March 2018 to July 2018 in the Agrotechnopark experimental field University of Jember in District of Sukorambi, Jember. Randomized Block Design (RBD) was used with the frequency of potassium chlorice (KCl) fertilization asthe single factor. The conducted potassium treatments were as follows: without KCl fertilization (control), one-time KCl fertilization, two times KCl fertilization, three times KCl fertilization and each fertilization level was conducted by sixrepetitions. The agronomic parameters such as plant height, tiller number, flowering time, rate of productive tillers, grain number per panicle, weight of 1000 grains, and percentage of filled grain were analyzed and percentage of head rice rate was determined as quality parameter. Our results showed that different treatment of potassium did not significantly affect the plant height, tillernumber, flowering time, rate of productive tillers, total grains per panicle, and weight of 1000 grains. On the other hands, the percentage of filled grainand the rate of head rice after milling were significantly increased by potassium fertilization. Compare to the control treatment, three times potassium fertilization resulted 9.24% and 13.83% increase of filled grain and head rice after two times milling, respectively. Our result suggest that potassium fertilization is important for grainquality of Merah Wangi rice variety. Keywords: Merah Wangi, potassium fertilization, growth, physical quality.

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Effectiveness and efficiency of potassium fertilizer application to increase the production and quality of rice in entisols

Cited by 11 publications

References 1 publication

A Meta-Analysis of Modifications of Root System Traits of Crop Plants to Potassium (K) Deprivation

A Meta-Analysis of Modifications of Root System Traits of Crop Plants to Potassium (K) Deprivation

Response of nitrogen and potassium fertilization on the growth performance of aromatic Boro rice

Effect of Potassium Fertilization on Growth and Head Rice Yield of Rice (Oryza sativa L.) Merah Wangi Variety

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